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Description In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecut 阅读全文
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Description At the entrance to the university, there is a huge rectangular billboard of size h*w (h is its height and w is its width). The board is th 阅读全文
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Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i < j and ai > aj. For a give 阅读全文
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Description C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Derek和他手下Tidy又开始忙乎了。A国在海岸线沿直线布置了N个工兵营 地,Derek和Tidy的任务就是要监视这些工兵营地的活动情况。由于采取了某种先进的监测手段，所以每个工兵营地的人数C国都掌握的一清二楚,每个 阅读全文
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Problem Description 大 家一定觉的运动以后喝可乐是一件很惬意的事情，但是seeyou却不这么认为。因为每次当seeyou买了可乐以后，阿牛就要求和seeyou一起分享这 一瓶可乐，而且一定要喝的和seeyou一样多。但seeyou的手中只有两个杯子，它们的容量分别是N 毫升和M 阅读全文
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Description GeoSurvComp地质调查公司负责探测地下石油储藏。 GeoSurvComp现在在一块矩形区域探测石油，并把这个大区域分成了很多小块。他们通过专业设备，来分析每个小块中是否蕴藏石油。如果这些蕴藏石油 的小方格相邻，那么他们被认为是同一油藏的一部分。在这块矩形区域，可能有很 阅读全文
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Description The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the fou 阅读全文
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Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 阅读全文
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Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00 阅读全文
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Description You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be fille 阅读全文